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Questions and Answers
Which of the following properties is NOT true about electric lines of force?
Which of the following properties is NOT true about electric lines of force?
- They end on negative charge
- They intersect with each other (correct)
- They contract longitudinally
- They originate from positive charge
What is the purpose of the lamp in a xerography machine?
What is the purpose of the lamp in a xerography machine?
- To give the toner a negative charge
- To create bright and dark spots on the drum
- To transfer the image of the document onto the drum (correct)
- To retain positive charge in dark
What is the function of selenium in a xerography machine?
What is the function of selenium in a xerography machine?
- To give the toner a negative charge
- To create positive charge on the drum
- To retain positive charge in dark (correct)
- To transfer the image of the document onto the drum
What is the drum of a xerography machine made of?
What is the drum of a xerography machine made of?
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What does a tangent drawn to electric lines of force indicate?
What does a tangent drawn to electric lines of force indicate?
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